“Oh what tangled web we weave when complexity is added we can’t see…” How many times has complexity of design in an application, outside of the database, lead to the database blamed for slow performance?   This is where a manager thanks the technical Gods for a DBA with great Sherlock Holmes skills to track down and prove the database not only innocent, but figure out what the real problem is.  The database is guilty until proven innocent, we all know that, so when user’s come to the DBA and demands, “Why can’t I run this report?  I should be able…